1 code implementation • Findings (NAACL) 2022 • Wanjun Zhong, Siyuan Wang, Duyu Tang, Zenan Xu, Daya Guo, Yining Chen, Jiahai Wang, Jian Yin, Ming Zhou, Nan Duan
In this paper, we study the challenge of analytical reasoning of text and collect a new dataset consisting of questions from the Law School Admission Test from 1991 to 2016.
1 code implementation • COLING 2022 • Xiaopeng Zheng, Zhiyue Liu, Zizhen Zhang, Zhaoyang Wang, Jiahai Wang
To address the first two problems, this paper proposes a universal prompt tuning method to solve different ECA tasks in the unified framework.
Ranked #1 on
Emotion-Cause Pair Extraction
on ECPE
no code implementations • 20 Oct 2022 • Wanjun Zhong, Tingting Ma, Jiahai Wang, Jian Yin, Tiejun Zhao, Chin-Yew Lin, Nan Duan
This paper presents ReasonFormer, a unified reasoning framework for mirroring the modular and compositional reasoning process of humans in complex decision-making.
1 code implementation • 14 Oct 2022 • Jieyi Bi, Yining Ma, Jiahai Wang, Zhiguang Cao, Jinbiao Chen, Yuan Sun, Yeow Meng Chee
Recent neural methods for vehicle routing problems always train and test the deep models on the same instance distribution (i. e., uniform).
no code implementations • 5 Aug 2022 • Wanjun Zhong, Yifan Gao, Ning Ding, Zhiyuan Liu, Ming Zhou, Jiahai Wang, Jian Yin, Nan Duan
Task generalization has been a long standing challenge in Natural Language Processing (NLP).
1 code implementation • NAACL 2022 • Wanjun Zhong, Yifan Gao, Ning Ding, Yujia Qin, Zhiyuan Liu, Ming Zhou, Jiahai Wang, Jian Yin, Nan Duan
Furthermore, ProQA exhibits strong ability in both continual learning and transfer learning by taking the advantages of the structural prompt.
1 code implementation • 26 Jan 2022 • Junfa Lin, Siyuan Chen, Jiahai Wang
GNN-DSR models the short-term dynamic and long-term static interactional representations of the user's interest and the item's attraction, respectively.
no code implementations • 15 Jan 2022 • Wanjun Zhong, JunJie Huang, Qian Liu, Ming Zhou, Jiahai Wang, Jian Yin, Nan Duan
CARP utilizes hybrid chain to model the explicit intermediate reasoning process across table and text for question answering.
Ranked #2 on
Question Answering
on OTT-QA
no code implementations • 16 Jul 2021 • Yongxin Zhang, Jiahai Wang, Zizhen Zhang, Yalan Zhou
The evolutionary learning is also employed to fine-tune the parameters of the models.
no code implementations • 29 Jun 2021 • Zhiyue Liu, Jiahai Wang, Zhenghong Li
For internal knowledge enhancement, both topics and related essays are fed to a teacher network as source information.
1 code implementation • 6 May 2021 • Zizhen Zhang, Zhiyuan Wu, Hang Zhang, Jiahai Wang
When these problems are extended to multiobjective ones, it becomes difficult for the existing DRL approaches to flexibly and efficiently deal with multiple subproblems determined by weight decomposition of objectives.
1 code implementation • 14 Apr 2021 • Wanjun Zhong, Siyuan Wang, Duyu Tang, Zenan Xu, Daya Guo, Jiahai Wang, Jian Yin, Ming Zhou, Nan Duan
Analytical reasoning is an essential and challenging task that requires a system to analyze a scenario involving a set of particular circumstances and perform reasoning over it to make conclusions.
1 code implementation • 23 Jan 2021 • Siyuan Chen, Jiahai Wang, Guoqing Li
Additionally, the structural prior knowledge, symmetry as a special case, is introduced for better relation prediction in more complex systems.
no code implementations • COLING 2020 • Wuya Chen, Xiaojun Quan, Chunyu Kit, Zhengcheng Min, Jiahai Wang
We propose a multi-choice relational reasoning (McR$^2$) model with an aim to enable relational reasoning on candidates based on fusion representations of document, query and candidates.
1 code implementation • EMNLP 2020 • Wanjun Zhong, Duyu Tang, Zenan Xu, Ruize Wang, Nan Duan, Ming Zhou, Jiahai Wang, Jian Yin
To address this, we propose a graph-based model that utilizes the factual structure of a document for deepfake detection of text.
no code implementations • ACL 2020 • Wanjun Zhong, Duyu Tang, Zhangyin Feng, Nan Duan, Ming Zhou, Ming Gong, Linjun Shou, Daxin Jiang, Jiahai Wang, Jian Yin
The graph is used to obtain graph-enhanced contextual representations of words in Transformer-based architecture.
no code implementations • 25 Apr 2020 • Wanjun Zhong, Duyu Tang, Nan Duan, Ming Zhou, Jiahai Wang, Jian Yin
We study question answering over a dynamic textual environment.
1 code implementation • 16 Mar 2020 • Siyuan Chen, Jiahai Wang, Xin Du, Yanqing Hu
The information fusion component adopts a group of encoders and decoders to fuse heterogeneous information and generate discriminative node embeddings for preliminary matching.
no code implementations • 13 Feb 2020 • Hong Wu, Jiahai Wang, Zizhen Zhang
Each subproblem is modeled with a pointer network and the model is trained with reinforcement learning.
1 code implementation • 12 Feb 2020 • Youwei Song, Jiahai Wang, Zhiwei Liang, Zhiyue Liu, Tao Jiang
Aspect based sentiment analysis aims to identify the sentimental tendency towards a given aspect in text.
Aspect-Based Sentiment Analysis (ABSA)
Natural Language Inference
3 code implementations • 9 Feb 2020 • Bo Peng, Jiahai Wang, Zizhen Zhang
However, the fact is, the state of an instance is changed according to the decision that the model made at different construction steps, and the node features should be updated correspondingly.
1 code implementation • 15 Nov 2019 • Zhiyue Liu, Jiahai Wang, Zhiwei Liang
This paper proposes a category-aware GAN (CatGAN) which consists of an efficient category-aware model for category text generation and a hierarchical evolutionary learning algorithm for training our model.
no code implementations • ACL 2020 • Wanjun Zhong, Jingjing Xu, Duyu Tang, Zenan Xu, Nan Duan, Ming Zhou, Jiahai Wang, Jian Yin
We evaluate our system on FEVER, a benchmark dataset for fact checking, and find that rich structural information is helpful and both our graph-based mechanisms improve the accuracy.
Ranked #2 on
Fact Verification
on FEVER
no code implementations • 22 Jun 2019 • Tongwen Wu, Zizhen Zhang, Yanzhi Li, Jiahai Wang
Mobile sequential recommendation was originally designed to find a promising route for a single taxicab.
4 code implementations • 25 Feb 2019 • Youwei Song, Jiahai Wang, Tao Jiang, Zhiyue Liu, Yanghui Rao
Most of the previous approaches model context and target words with RNN and attention.
Ranked #1 on
Sentiment Analysis
on Twitter
no code implementations • 5 Sep 2018 • Wanjun Zhong, Duyu Tang, Nan Duan, Ming Zhou, Jiahai Wang, Jian Yin
Although neural network approaches achieve remarkable success on a variety of NLP tasks, many of them struggle to answer questions that require commonsense knowledge.
no code implementations • 2 Feb 2016 • Yiqiao Cai, Jiahai Wang, Yonghong Chen, Tian Wang, Hui Tian, Wei Luo
In most of the DE algorithms, the neighborhood and direction information are not fully and simultaneously exploited to guide the search.